QiHaiFengProgram/ckeditor/_source/plugins/find/dialogs/find.js

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/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

(function()
{
	var isReplace;

	function findEvaluator( node )
	{
		return node.type == CKEDITOR.NODE_TEXT && node.getLength() > 0 && ( !isReplace || !node.isReadOnly() );
	}

	/**
	 * Elements which break characters been considered as sequence.
	*/
	function nonCharactersBoundary( node )
	{
		return !( node.type == CKEDITOR.NODE_ELEMENT && node.isBlockBoundary(
			CKEDITOR.tools.extend( {}, CKEDITOR.dtd.$empty, CKEDITOR.dtd.$nonEditable ) ) );
	}

	/**
	 * Get the cursor object which represent both current character and it's dom
	 * position thing.
	 */
	var cursorStep = function()
	{
		return {
			textNode : this.textNode,
			offset : this.offset,
			character : this.textNode ?
				this.textNode.getText().charAt( this.offset ) : null,
			hitMatchBoundary : this._.matchBoundary
		};
	};

	var pages = [ 'find', 'replace' ],
		fieldsMapping = [
		[ 'txtFindFind', 'txtFindReplace' ],
		[ 'txtFindCaseChk', 'txtReplaceCaseChk' ],
		[ 'txtFindWordChk', 'txtReplaceWordChk' ],
		[ 'txtFindCyclic', 'txtReplaceCyclic' ] ];

	/**
	 * Synchronize corresponding filed values between 'replace' and 'find' pages.
	 * @param {String} currentPageId	The page id which receive values.
	 */
	function syncFieldsBetweenTabs( currentPageId )
	{
		var sourceIndex, targetIndex,
			sourceField, targetField;

		sourceIndex = currentPageId === 'find' ? 1 : 0;
		targetIndex = 1 - sourceIndex;
		var i, l = fieldsMapping.length;
		for ( i = 0 ; i < l ; i++ )
		{
			sourceField = this.getContentElement( pages[ sourceIndex ],
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